/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package servlet;

import DTO.album.SongType;
import DTO.album.SongsType;
import DTO.playlist.PlaylistType;
import DTO.playlist.Playlists;
import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.parsers.SAXParser;
import javax.xml.parsers.SAXParserFactory;
import org.xml.sax.SAXException;
import xmlutils.SearchSongSAXHandler;

/**
 *
 * @author DinhNP
 */
public class CreateDyamicPlaylist extends HttpServlet {

    private String xmlPath = "xml/Songs.xml";

    /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            String playlist = request.getParameter("playlist");
            String[] ids = playlist.split("|");
            Playlists newPlaylist = new Playlists();
            PlaylistType aPlaylist = new PlaylistType();
            SongsType listSongs = new SongsType();
            SongType aSong = new SongType();

            String realPath = getServletContext().getRealPath("/");
            String filePath = realPath + xmlPath;

            SAXParserFactory spf = SAXParserFactory.newInstance();
            SAXParser sax = spf.newSAXParser();
            SearchSongSAXHandler objHandle;
            
            File file = new File(filePath);
            for (int i=0;i<ids.length;i++){
                objHandle = new SearchSongSAXHandler(ids[i].toString());
                sax.parse(file, objHandle);

            }
            
            
            


        } catch (ParserConfigurationException ex) {
            Logger.getLogger(CreateDyamicPlaylist.class.getName()).log(Level.SEVERE, null, ex);
        } catch (SAXException ex) {
            Logger.getLogger(CreateDyamicPlaylist.class.getName()).log(Level.SEVERE, null, ex);
        } finally {
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
